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Callboard

Free#20 of 34 in Event Scheduling SoftwareSpeaker Management Software

Callboard: A deep open-source toolkit for CFP workflows, speakers, agendas, and public schedules. Ranked #20 of 34 in Event Scheduling Software by our editors (7.0/10); pricing: Open source; best for open-source CFP and agenda teams.

7.0/10Editor score

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At a glance

Editor score
7.0 / 10
Pricing
Open source
Best for
Open-source CFP and agenda teams
Paid from
Free
Facts checked
20 Sep 2026

Where it wins
- Weighted multi-round reviews with assigned reviewer workspaces
- Conflict-aware agenda planning with room and speaker overlap detection
- Public schedules with search, filters, feeds, and embeddable widgets
Where it doesn't
- Self-hosted deployment requires the team to manage its own environment
- Integration coverage centers on Accelevents, Airtable, and Svix
- Attendee-facing delivery centers on web schedules rather than a native app

Our verdict on Callboard

Callboard is open-source event scheduling software for organizers managing calls for proposals, proposal review, speaker onboarding, agenda planning, room conflicts, and published programmes. Its scope suits conferences and event teams that need one system spanning submissions through the public schedule. The web, API, and self-hosted deployment options support teams that want control over their event operations and programme data.

Its strongest area is the connection between proposal operations and agenda planning. Organizers can build CFP forms with conditional questions, participant rules, close dates, and track routing, then run weighted, multi-round reviews through assigned reviewer workspaces. The speaker portal handles profiles, headshots, materials, tasks, and programme-copy corrections. Once sessions are selected, teams can plan by day, week, track, room, or conflict view, with room and speaker overlap detection and automatic placement of remaining sessions. This makes Callboard a strong fit for complex programmes with multiple tracks, rooms, reviewers, and speakers.

The public-facing layer includes speaker directories, search, filters, calendar feeds, and embeddable widgets, while the scoped API provides sessions, speakers, metadata, and OpenAPI documentation. Signed webhooks, exports, and integrations for Accelevents and Airtable extend its operational fit, with Svix also listed among its integrations. The trade-off is a focused ecosystem and a self-hosted operating model, so teams should choose Callboard when they value open-source control and detailed programme workflows. Teams seeking a broader event platform or a native attendee app should consider alternatives centered on those needs.

Your product? Our editors can test Callboard in depth and publish a review, labelled as paid · from $149/mo →

Callboard pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.

See plans on callboardhq.com

Callboard fact sheet

Free plan	Not verified
Paid from	Free
Attendee limit	Not verified
Session tracks	Yes
Room scheduling	Yes
Speaker management	Yes
Attendee mobile app	Not verified
Hybrid event support	Not verified
Deployment	Cloud, Self-hosted
Platforms	Web
Support	Docs
Built for	Small business, Mid-market (editorial estimate)
Integrations	3 integrations: Accelevents, Airtable, Svix
Pricing	Open source
Website	callboardhq.com
Facts checked	20 Sep 2026

Callboard integrations

Callboard lists 3 integrations on its own site.

Accelevents
Airtable
Svix

Alternatives to Callboard

See all Callboard alternatives →

Also Ranked In

Callboard is ranked in 2 of our directories.

#8Speaker Management Software28 tools ranked

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Featured on iTechGuides

Callboard is listed in our Event Scheduling Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update